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Light - Wikipedia
What is light? - BBC Bitesize
Light | Definition, Properties, Physics, Characteristics ...
Light Waves - BBC Bitesize
All about light - BBC Bitesize
The Nature of Light – The Physics Hypertextbook
LIGHT | English meaning - Cambridge Dictionary
Light - Electromagnetic, Wavelength, Spectrum | Britannica
What is light? A guide to waves, particles, colour and more
Light: Electromagnetic waves, the electromagnetic spectrum ...